ATRBOHB (RESPIRATORY BURST OXIDASE HOMOLOG B); FAD binding / calcium ion binding / iron ion binding / oxidoreductase. Identical to Respiratory burst oxidase homolog protein B (RBOHB) [Arabidopsis Thaliana] (GB:Q9SBI0;GB:O04020;GB:O04021;GB:Q84TJ9); similar to RBOHD (RESPIRATORY BURST OXIDASE PROTEIN D) [Arabidopsis thaliana] (TAIR:AT5G47910.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO17538.1); similar to respiratory burst oxidase 2 [Medicago truncatula] (GB:AAW78864.1); similar to Respiratory burst oxidase homolog protein B (StRBOHB) (NADPH oxidase RBOHB) (GB:Q948T9); contains InterPro domain Cytochrome b-245, heavy chain;